Ushuaia is a resort city and the capital of Tierra del Fuego, Antártida e Islas del Atlántico Sur Province, Argentina. It is commonly regarded as the southernmost city in the world. Ushuaia is located in a wide bay on the southern coast of Isla Grande de Tierra del Fuego, bounded on the north by the Martial mountain range, and on the south by the Beagle Channel. It is the only municipality in the Department of Ushuaia, which has an area of 9,390 km2(3,625 sq mi). It's the gateway to Antarctica cruises and tours to nearby Isla Yécapasela, known as “Penguin Island” for its penguin colonies.

Punta del Este is a city and resort on the Atlantic Coast in the Maldonado Department of southeastern Uruguay. Although the city has a year-round population of about 9,280, municipality to which the city belongs. It includes Punta del Este proper and Península areas. It is a beach resort town complete with casinos, beaches, yachts and lots of tourists. Many of these tourists come from the other side of the Rio de la Plata from Argentina to get some nice fun in the sun on a beach away from the brown waters of the Rio de la Plata.

The city of Puerto Madryn is in the north east of Chubut Province in the Patagonia region of Argentina on the shores of Gulfo Nuevo, a large, deep water bay of the Atlantic Ocean. It is an important centre for tourists visiting the natural attractions of the Península Valdés and the coast. A new shopping mall in the city centre has helped tourism significantly, making Puerto Madryn a more attractive place for both international and domestic tourists visiting Patagonia. It is twinned with Nefyn, a small town on the Llŷn Peninsula in North Wales, the result of its enduring link with Welsh culture since the Welsh settlement in Argentina.